- Multiple bugfixe linked to query fragments

- Added a new SearchRequest package to handle search request efficiently

src/Common/EntityField.php

@@ -27,7 +27,7 @@ class EntityField
         # Must use REFLECTION before throwing this value.
         # Should first check if it's a relation field, and if it is,
         # it's real key must be returned (PK usually)
-        return $useAlias ? "{$this->alias}.\"{$this->name}\"" : "\"{$this->name}\"";
+        return $useAlias ? "{$this->alias}.`{$this->name}`" : "`{$this->name}`";
     }
 
     public static function isScalarType($type) : bool